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Isaiah Hartenstein (born May 5, 1998) is an American-born German professional basketball player for the Houston Rockets of the National Basketball Association (NBA).[1]

Isaiah Hartenstein
20171127 FIBA WCQ 2019 AUT-GER Isaiah Hartenstein 850 7283.jpg
Hartenstein with Germany in 2017
No. 55 – Houston Rockets
PositionPower forward / Center
Personal information
Born (1998-05-05) May 5, 1998 (age 21)
Eugene, Oregon
NationalityGerman / American
Listed height7 ft 0 in (2.13 m)
Listed weight249 lb (113 kg)
Career information
NBA draft2017 / Round: 2 / Pick: 43rd overall
Selected by the Houston Rockets
Playing career2015–present
Career history
2015–2016Artland Dragons
2016–2017Žalgiris Kaunas
2017–2018Rio Grande Valley Vipers
2018–presentHouston Rockets
2018–present→Rio Grande Valley Vipers
Career highlights and awards
Stats at
Stats at


Early lifeEdit

Born in Eugene, Oregon, he is the son of Florian Hartenstein, a German basketball coach and former professional basketball player of Afro-German descent.[2] Isaiah's mother is American. His parents met in the United States when his father attended the University of Oregon.[3]

In 2008, Hartenstein and his family moved to Germany,[4] where his father was playing professionally.

Professional careerEdit

European careerEdit

Hartenstein joined the MTV Gießen youth ranks and continued his career at the youth teams of QTSV Quakenbrück/Artland Dragons, after his father had signed to play with the Artland Dragons in 2009.

In the 2013–14 season, Hartenstein led the Artland Dragons' junior team to a German championship in the Under-16 Bundesliga JBBL, while being named Most Valuable Player.[5] He averaged 20.9 points, 12.1 rebounds, 3.4 assists, 2.9 steals and 1.9 blocks on the season.[6] His father Florian who served as head coach of the team was named JBBL Coach of the Year.

Hartenstein was selected to play in the 2014 Jordan Brand Classic International Game: He finished the game with four points and five rebounds in 18 minutes.[7]

Hartenstein helped the Žalgiris Kaunas Under-18 squad to win the qualifying tournament to the Euroleague Basketball Next Generation Tournament and was selected MVP.[8]

On February 1, 2015, Hartenstein made his debut in Germany's top-tier level Basketball Bundesliga, seeing 1:12 minutes of action against Eisbären Bremerhaven.[9]

In August 2015, Hartenstein inked a deal with Lithuanian powerhouse Žalgiris Kaunas, but he remained with the Artland Dragons on loan.[10] The Dragons had withdrawn from the Bundesliga, and were relegated to the 2. Bundesliga ProB, Germany's third division. Hartenstein played in 14 games for the Quakenbrück based side during the 2015–16 campaign, compiling averages of 11.6 points, 8.9 rebounds, 2.1 blocks, 1.6 steals and 1.4 assists.[11]

In January 2016, he decided to leave the Artland Dragons to join Žalgiris Kaunas.[12]

Hartenstein made his debut for Žalgiris in Lithuania's top-flight league, the LKL, on September 28, 2016 against Šiauliai[13] and in the EuroLeague against Fenerbahce on October 26.[14] Later in that season, he helped Žalgiris win their first ever King Mindaugas Cup.

NBA careerEdit

In February 2016, he attended the "Basketball Without Borders Global Camp" during the NBA All-Star Weekend in Toronto, Canada.[15]

On April 7, 2017, he scored 10 points and grabbed three rebounds in 19 minutes of play at the Nike Hoop Summit.[16]

Hartenstein declared for the 2017 NBA Draft on April 22, 2017. He was also named an invite for the 2017 NBA Draft Combine, but he ultimately declined participation for the event. On June 22, 2017, he was selected with the 43rd overall pick in the 2017 NBA draft by the Houston Rockets[17] and subsequently competed for the team in the 2017 NBA Summer League.[18] In the 2017-18 campaign, Hartenstein appeared in 38 games of the NBA G League, averaging 9.5 points and 6.6 rebounds a contest for the Rio Grande Valley Vipers.[19] In the 2018–19 season, Hartenstein won the NBA G League championship with the Rio Grande Valley Vipers. He won the NBA G League Finals MVP award.

Houston Rockets (2018–present)Edit

On July 25, 2018, the Houston Rockets signed Hartenstein.[20]

International careerEdit

Hartenstein represented Germany at the 2014 FIBA Europe Under-16 Championship[21] and the 2015 FIBA Europe Under-18 Championship.[22] He also helped carry Germany to a fourth-place finish at the 2016 FIBA Europe Under-18 Championship, averaging team-highs of 14.7 points, 9.5 rebounds, 1.7 blocks, and 1.7 steals a contest,[23] which earned him a spot in the tournament's "All-Star Five".[24]

In August 2017, he made his debut with the German men's national team[25] and took part in EuroBasket 2017, averaging 4.3 points and 2.5 rebounds per game.[26]

Career statsEdit

  GP Games played   GS  Games started  MPG  Minutes per game
 FG%  Field-goal percentage  3P%  3-point field-goal percentage  FT%  Free-throw percentage
 RPG  Rebounds per game  APG  Assists per game  SPG  Steals per game
 BPG  Blocks per game  PPG  Points per game  PIR  Performance Index Rating
 Bold  Career high

Note: The EuroLeague is not the only competition in which the player participated for the team during the season. He also played in domestic competition, and regional competition if applicable.


Regular seasonEdit

2018–19 Houston 28 0 7.8 .488 .333 .786 1.7 .5 .3 .3 1.9
Career 28 0 7.8 .488 .333 .786 1.7 .5 .3 .3 1.9


2015–16 Artland Dragons 14 10 24.4 .479 .425 .544 8.9 1.3 1.6 2.1 11.5


  1. ^
  2. ^ Spears, Marc J. (2017-06-21). "There's more to Isaiah Hartenstein than meets the eye". The Undefeated. Retrieved 2018-10-05.
  3. ^ "Großer Mann, was nun?". "Die Zeit". 2015-06-15. Retrieved 2016-02-02.
  4. ^ "Isaiah Hartenstein: "Mein Ziel ist die beste Liga der Welt"" (PDF). "Artland Dragons". 2013-03-03. Retrieved 2016-02-02.
  5. ^ "Awards der Jugend Basketball Bundesliga". "NBBL". 2016-02-02. Retrieved 2016-02-02.
  6. ^ "Isaiah Hartenstein Steckbrief". "NBBL". 2016-02-02. Retrieved 2016-02-02.
  7. ^ "Official Basketball Box Score International Black vs International White" (PDF). "Jordan Brand Classic". 2014-04-18. Retrieved 2016-02-02.
  8. ^ "2015-16 ANGT Kaunas Final". "". 2016-01-17. Retrieved 2016-02-02.
  9. ^ "Boxscore Eisbären Bremerhaven - Artland Dragons". "Basketball-Bundesliga". 2015-02-01. Retrieved 2016-02-02.
  10. ^ "Zalgiris invests in top German talent Hartenstein". "Euroleague". 2015-08-17. Retrieved 2016-02-02.
  11. ^ "Isaiah Hartenstein". "2. Basketball-Bundesliga". 2016-02-02. Retrieved 2016-02-02.
  12. ^ "NBA prospect Isaiah Hartenstein leaves Quakenbrueck". "". 2016-01-22. Retrieved 2016-02-02.
  13. ^ "Isaiah Hartenstein | Lietuvos krepšinio lyga". Tete-a-Tete Casino-LKL. Retrieved 2016-10-09.
  14. ^ "Fenerbahce Istanbul vs. Zalgiris Kaunas - Game". Retrieved 2016-10-31.
  15. ^ "DraftExpress: Basketball Without Borders Global Camp Evaluations: Power Forwards". Retrieved 2016-02-28.
  16. ^ "LiveStats - USA vs World Select Team - Nike Hoop Summit". Retrieved 2017-04-08.
  17. ^ "Rockets Select Isaiah Hartenstein in 2017 NBA Draft". 22 June 2017. Retrieved 23 June 2017.
  18. ^ "Rockets to Compete in NBA Summer League 2017 | Houston Rockets". Houston Rockets. Retrieved 2017-07-11.
  19. ^ "Isaiah Hartenstein - NBA G League". NBA G League. Retrieved 2018-06-22.
  20. ^ "Rockets Sign Isaiah Hartenstein". July 25, 2018. Retrieved July 26, 2018.
  21. ^ "ISAIAH HARTENSTEIN, Germany". "FIBA Europe". 2016-01-17. Retrieved 2016-02-02.
  22. ^ "U18 European Championship Men, ISAIAH HARTENSTEIN, Germany". "FIBA Europe". 2016-02-02. Retrieved 2016-02-02.
  23. ^ "Germany at the FIBA U18 European Championship Division A 2016 -". Retrieved 2016-12-22.
  24. ^ "France crowned champions at FIBA U18 European Championship". Retrieved 2016-12-22.
  25. ^ (2017-08-05). "Deutsche Basketballer verlieren ersten EM-Test" (in German). Retrieved 2017-08-06.
  26. ^ "Isaiah HARTENSTEIN (GER)'s profile". FIBA EuroBasket 2017.